Adjustable speed drive (ASD) or variable-speed drive (VSD) describes equipment used to control the speed of machinery.Many industrial processes such as assembly lines must operate at different speeds for different products.here speeds may be selected from several different pre-set ranges, usually the drive is said to be adjustable speed. If the output speed can be changed without steps over a range, the drive is usually referred to as variable speed.
NICOLE BROWN SIMPSON'S GRAVE at Ascension Cemetery i n Lake Forest, California. Update: Twenty years after Nicole's death, her father passed away, and his ashes were buried under her headstone.
May 20, 2014 @ 21:14PM. TWENTY years after NiÂ­cole Brown Simpson and her friend Ron Goldman were brutally slain, The ENQUIRER has discovÂ­ered lost diaries that rip the lid off the REAL reaÂ­son O.J. wanted Nicole dead.